<template>
	<view class="my-settle-container">
		<!-- 全选 -->
		<label class="radio" @click="changeAllState">
			<radio color="#c00000" :checked="isFullCheck" /><text>全选</text>
		</label>
		<!-- 合计 -->
		<view class="amount-box">
			合计：<text class="amount">¥{{checkGoodsTotalAmount}}</text>
		</view>
		<!-- 结算按钮 -->
		<view class="btn-settle" @click="settlement">结算({{checkedCount}})</view>
	</view>
</template>

<script>
	import { mapGetters,mapMutations,mapState } from 'vuex';
	export default {
		name:"my-settle",
		data() {
			return {
				//倒计时的秒数
				seconds:3,
				//定时器的id
				timer:null
			};
		},
		computed:{//将checkedCount 选择数量和 total购物车中总数量方法映射到当前页面
			...mapGetters('m_cart',['checkedCount','total','checkGoodsTotalAmount']),
			...mapGetters('m_user',['addstr']),
			...mapState('m_user',['token']),
			...mapState('m_cart',['cart']),
			//是否全选
			isFullCheck(){
				return this.checkedCount === this.total
			}
		},
		methods:{
			...mapMutations('m_cart',['updateAllGoodsState']),
			...mapMutations('m_user',['updateRedirectInfo']),
			changeAllState(){
				this.updateAllGoodsState(!this.isFullCheck)
			},
			//用户点击了结算按钮
			settlement(){
				
				if(!this.checkedCount) return uni.$showMsg('请先选择要结算的商品!')
				if(!this.addstr) return uni.$showMsg('请先选择地址!')
				//三秒后自动跳转登录页面
				if(!this.token) return this.delayNavigate()
				
				//发起支付
				this.payOrder()
			},
			async payOrder(){
				//1,创建订单
				//1.1组织订单的信息对象
				const goodsinfo={
					//this.checkGoodsTotalAmount 真实的价格
					order_price:0.01,
					consignee_addr:this.addstr,
					goods:this.cart.filter(x=>x.goods_state).map(x=>({
						goods_id:x.goods_id,
						goods_number:x.goods_count,
						goods_price:x.goods_price
					}))
				}
				//1.2发起请求创建订单,获取订单号
				const {data:res}=await uni.$http.post('/api/public/v1/my/orders/create',goodsinfo)
				if(res.meta.status !==200) return uni.$showMsg('创建订单失败!')
				//1.3得到服务器响应的  订单编号 假数据 HMDD20200901000000001949
				//const orderNumber=res.message.order_number
				const orderNumber="HMDD20240808000000001949" //假数据
				
				//2订单预支付
				//2.1发起请求获取订单的支付信息
				const {data:res2}=await uni.$http.post('/api/public/v1/my/orders/req_unifiedorder',{order_number:orderNumber})
				console.log(res2)
				//2.2生成订 单失效
				if(res2.meta.status!==200)return uni.$showMsg('预付订单生成失败!')
				//2.3得到订单支付相关的必要参数
				const payInfo=res2.message.pay
				console.log(payInfo)
				//3发起微信支付
				//3.1调用uni.requestPayment()发起微信支付
				const [err,succ]=await uni.requestPayment(payInfo)
				//3.2未完成支付
				if(err) return uni.$showMsg('订单未支付!')
				//3.3完成了支付,进一步查询支付的结果
				const {data:res3}=await uni.$http.post('/api/public/v1/my/orders/chkOrder',{order_number:orderNumber})
				//3.4检测到订单未支付
				if(res3.meta.status!==200) return uni.$showMsg('订单未支付!')
				//3.5检测到订单支付完成
				uni.showToast({
					title:'订单支付完成',
					icon:'success'
				})
			},
			//延时导航到my页面
			delayNavigate(){
				this.seconds=3
				this.showTips(this.seconds)
				//定时器
				this.timer=setInterval(()=>{
					this.seconds--
					if(this.seconds<=0){
						clearInterval(this.timer)
						uni.switchTab({//跳转我的页面
							url:'/pages/my/my',
							success: () => {
								this.updateRedirectInfo({
									openType:'switchTab',
									from:'/pages/cart/cart'
								})
							}
						})
						return 
					}
					this.showTips(this.seconds)
				},1000)
			},
			//展示倒计时的提示消息
			showTips(n){
				uni.showToast({
					icon:'none',
					title:'请登录后再结算!'+n+'秒之后自动跳转到登录页',
					mask:true,//遮罩效果，防止点击穿透
					duration:1500
				})
			}
		}
	}
</script>

<style lang="scss">
.my-settle-container{
	position:fixed;//固定位置
	bottom: 0;
	left: 0;
	width: 100%;
	height: 50px;
	background-color: white;
	display: flex;
	justify-content: space-between;
	align-items: center;
	font-size: 14px;
	padding-left: 5px;
	.radio{
		display: flex;
		align-items: center;
	}
	.amount-box{
		.amount{
			color: #c00000;
			font-weight: bold;
		}
	}
	.btn-settle{
		height: 50px;
		padding: 0 10px;
		color: white;
		line-height: 50px;//纵向文本居中 
		background-color: #c00000;
		min-width: 100px;//最小宽度
		text-align: center;//横向文本居中
	}
}
</style>
